Steve Loughran created YARN-2947:

             Summary: Provide RESTful equivalent of YarnClientImpl
                 Key: YARN-2947
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: client
    Affects Versions: 2.6.0
            Reporter: Steve Loughran

For YARN clients to make effective use of this, we need an equivalent service 
{{YarnClientImpl}}. The closer the REST client to this existing class (and the 
{{YarnClient}} API, the easier the migration.

Requirements of SLIDER-170

* work long-haul, through proxies and security gateways like Apache Knox
* Integration with Hadoop security
* diagnostics and meaningful error messages
* ability interrupt outstanding calls

* ideally some performance metrics to track  long-haul perf issues (prefer 
codahale to Hadoop, for embeddability)
* tunable restart/retry policy

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